单选题Which of the following devices can route electrical signals only when activated by an external control signal?()A SolenoidB RelayC ClutchD Capacitor

题目
单选题
Which of the following devices can route electrical signals only when activated by an external control signal?()
A

Solenoid

B

Relay

C

Clutch

D

Capacitor

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相似问题和答案

第1题:

Whichofthefollowingdevicescanrouteelectricalsignalsonlywhenactivatedbyanexternalcontrolsignal?()

A.Solenoid

B.Relay

C.Clutch

D.Capacitor


参考答案:B

第2题:

When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear ________.

A.Non-follow-up

B.Rudder adjustment

C.Weather adjustment

D.All the above may be activated


正确答案:A

第3题:

Which action occurs when the static route 10.0.55.2/32 is evaluated by the policy main-policy? ()

A. The route is advertised into BGP.

B. The route is suppressed from BGP.

C. The route is advertised into BGP and goes only one hop.

D. The route is advertised into BGP and can only propagate throughout the neighboring AS.


参考答案:B

第4题:

Which of the following options applies to virtual Ethernet devices()

  • A、A virtual Ethernet adapter can only connect to other partitions within the same system.
  • B、A virtual Ethernet  adapter needs  to be connected to an external VLAN  capable switch to be able to communicate with other partitions on the same system.
  • C、A partition can support an unlimited number of virtual Ethernet devices.
  • D、A virtual Ethernet adapter in the VIO Server that is part of a SEA should not have the "trunk flag" set

正确答案:A

第5题:

Which two of the following are valid characteristics of EIGRP?()

  • A、Has a maximum hop count of 25
  • B、Can differentiate between internal and external routes
  • C、Uses a 32-bit metric
  • D、Can maintain only one routing table
  • E、Need all networks to use the same subnet mask
  • F、Supports only one routed protocol

正确答案:B,C

第6题:

Which of the listed devices is used to measure pressure and convert it to an electrical signal?

A.Transducer

B.Reducer

C.Transformer

D.Rectifier


正确答案:A

第7题:

An on-load release system on a survival craft means the cable can be released ______.

A.only when the load is taken off the cable

B.only when there is a load on the cable

C.only when activated by the controls at the lowering station

D.at any time


正确答案:D
带有压力释放器的救生艇筏可用手动等方式在任何时间落放。

第8题:

When configuring a POS system, which of the following peripheral devices would MOST likelyneed to be installed?()

A. Optical mouse

B. Handheld digitizer

C. Barcode reader

D. Touchscreen

E. Document scanner

F. Keyboard

G. External USB drive


参考答案:B, C, D

第9题:

When configuring a POS system, which of the following peripheral devices would MOST likelyneed to be installed?()

  • A、Optical mouse
  • B、Handheld digitizer
  • C、Barcode reader
  • D、Touchscreen
  • E、Document scanner
  • F、Keyboard
  • G、External USB drive

正确答案:B,C,D

第10题:

Which of the following is a differentiating feature of file permissions as compared to share permissions?()

  • A、 File permissions are less granular than share permissions.
  • B、 Full control can only be set using file permissions.
  • C、 File permissions are more granular than share permissions.
  • D、 Full control can only be set using share permissions.

正确答案:C

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